sunshine angle adjustable solar energy electric wheel chair

ABSTRACT

A sunshine angle adjustable solar energy electric wheel chair, a solar energy cell is mounted on the electric wheel chair so as to charge up a storage battery, left and right horizontal pipes for mounting the cell are supported by four lifted stand pipes, the height of the lifted stand pipes is adjusted, i.e. the sunshine angle may be adjusted at six azimuth, so that the charging current is maximized.

TECHNICAL FIELD

The present invention relates to a vehicle for the aged and thedisabled, and more particularly to a super energy-saving solar poweredwheel chair with an adjustable sunshine angle.

BACKGROUND OF THE INVENTION

Presently, the electric wheel chair has a serious power wasting probleminternationally, and one of the resolutions is to use solar energy. Twoinventions about applying solar energy to electric wheel chairs havebeen filed for patents. However, (1) a solar battery is not matureenough, that is, it is heavy, expensive, and has a low efficiency and alow elasticity; and (2) the structure of the electric wheel chair is notmature, that is, it is too power wasting, such that there is nosuccessful products in the market yet. Because the two inventions cannotsolve a basic contradiction, that is, the electric energy provided bythe solar battery does not match an electric energy required by theelectric wheel chair seriously. An area on a right upper part of theelectric wheel chair capable of being used to mount the solar battery ismaximally 0.8 m², and if the area barely exceeds 0.8 m², the solarbattery may hit the people from front or back, or from left or right.According to an efficiency of the current solar battery, the solarbattery of 0.8 m² can only provide the electric energy of 80 W. However,the electric energy required by the current international commonelectric wheel chair is hundreds of watts, and a power of a drivingmotor is usually 300 W×2 or 320 W×2. Due to the contradiction betweensupply and demand with such a great disparity, definitely, no successfulsolar powered wheel chair comes into the market.

However, till the year of 2008, the situation is greatly changed. In oneaspect, a new-type thin solar battery is about to come into the market,which has a light weight, an excellent elasticity, and a price as low asthat of the thermal power. In another aspect, a high power-savingelectric wheel chair is proposed. The sample of the invention is highlypower saving, such that although a silicon plate battery is stilladopted, the actual effect of supper energy saving is obtained. If anew-type thin solar battery is further adopted, it is possible to createan electric wheel chair being more practical being foldable, moreefficient having an adjustable sunshine angle, more energy saving beingfive times of the energy saving performance of internationallycertificated products, and more inexpensive.

SUMMARY OF THE INVENTION

The present invention is directed to a super energy-saving solar poweredwheel chair with an adjustable sunshine angle, to eliminatedisadvantages of the current electric wheel chairs.

The present invention provides an electric wheel chair, which includes awheel chair frame, stand pipes, horizontal support pipes, and main standpipes. Back wheels, a front steering wheel, and a front universal wheeldisposed on a lower part of the wheel chair frame, and a left arm-restpipe, a right arm-rest pipe, and arm-rests disposed between the standpipes and the main stand pipes. The front ends of the left and the rightarm-rest pipes are bent as elbows, a hand control direction device isinstalled on the left elbow, and a speed-adjusting turning handle and ahand pull brake handle integrated in a two-in-one manner is mounted onthe right elbow. The electric wheel chair is characterized in that thesunshine angle is adjustable and the electric wheel chair is superenergy saving.

Two double-vertical plates are respectively fixedly connected to the twomain stand pipes, and another two double-vertical plates arerespectively fixedly connected to the elbows of the left and the rightarm-rest pipes and the stand pipes. Fixing sleeves are respectivelyconnected to the two pairs of double-vertical plates, and 4 lift pipesare inserted into the four sleeves. A connection hole exists between thelift pipe and the sleeve, and the lift pipe and the sleeve are connectedthrough a spring plunger, such that the lift pipes are flexibly liftedand located. During traveling, the sunshine angle may be adjustedrespectively according to six directions, to maximize the solar energycharging current to battery. In the six directions, front and backdirections are back inclined, non inclined, front inclined, and left andright directions are left inclined, non inclined, and right inclined.Two batteries respectively hung on the left and the right of the wheelchair which are used for backup and are charged during traveling. Onebattery may be fully charged in 5 hours, and the other battery ischarged in 3 hours for storage. Left and right horizontally mountedconnection pipes are respectively connected between top ends of the twolift pipes on the left side and between top ends of the two lift pipeson the right side, in which the lift pipe and the horizontally mountedconnection pipes are connected through a universal spindle coupling. Anew-type thin solar battery plate, not only covers on the left and theright horizontally mounted connection pipes, but also extends nylonzipper elastic straps from both sides. After passing round the left andthe right horizontally mounted connection pipes, each pair of theelastic straps are locked through the nylon zipper, such that thenew-type thin solar battery is elastically bound and connected. When thewheel chair frame is unfolded, the new-type thin solar battery istightened from the two sides by the elastic straps; and while the wheelchair frame is folded, the new-type thin solar battery is released, andis folded together. A power supply line connection device is disposedunder the new-type thin solar battery, and a power supply line leads toa controller box from the connection device, and is connected to a powerconnection of a battery box through a charging plug.

In addition, in the present invention, the new-type thin solar batterymay be replaced with a low-power silicon plate solar battery, thesilicon plate solar battery is integrally mounted on the left and theright horizontally mounted connection pipes, screws are aligned withmount holes of the silicon plate battery for fastening the silicon platebattery, and the sunshine angle may be adjusted according to the sixdirections by using the four lift pipes, to maximize the chargingcurrent. The connection of the power supply line is also the same, inwhich the power supply line leads to the charging controller through theconnection device, and is connected to the power connection of thebattery box through the charging plug, except that the silicon platebattery cannot be folded and is mounted in a manner of rigid connectioninstead of elastic connection.

The present invention is a super energy-saving foldable electric wheelchair with an adjustable sunshine angle and adopting a new-type thinsolar battery, and thereby having advantages of being highly powersaving, having a low weight, being capable of traveling for a longdistance, having a low cost, being foldable, having a small battery,being capable of entering an elevator and entering houses by driving,having a strong grade climbing capability, and having a speed between7-10 kilometers, such that the wheel chair is quite suitable for beingused by the aged and the disabled.

DESCRIPTION OF THE FIGURES

FIG. 1 is a schematic structural view of a super energy-saving electricwheel chair with an adjustable sunshine angle and adopting a new-typethin solar battery;

FIG. 2 is a schematic constitutional view of a hand control directiondevice;

FIG. 3 is a schematic view of mount positions of a back wheel directdriving motor and a disk brake;

FIG. 4 is a schematic view of a cross folding device and a hung-upbattery box of a foldable electric wheel chair with an adjustablesunshine angle and adopting a new-type thin solar battery.

FIG. 5 is a back view of a cross folding device of a foldable electricwheel chair with an adjustable sunshine angle;

FIG. 6 is another schematic structural view of a super energy-savingelectric wheel chair with an adjustable sunshine angle and adopting anew-type thin solar battery in which an intellectual control rod 40 isinstalled on a right elbow 12 to replace switches 18 and a switch box181;

FIG. 7 is a schematic view in which a lift pipe and a horizontallymounted connection pipe are connected through a universal spindlecoupling;

FIG. 8 is a schematic view in which a structure adopting a new-type thinsolar battery and with an adjustable sunshine angle is back inclined;

FIG. 9 is a schematic view in which a structure adopting a new-type thinsolar battery and with an adjustable sunshine angle is not inclined in afront and back direction;

FIG. 10 is a schematic view in which a structure adopting a new-typethin solar battery and with an adjustable sunshine angle is frontinclined;

FIG. 11 is a schematic view in which a structure adopting a new-typethin solar battery and with an adjustable sunshine angle is leftinclined;

FIG. 12 is a schematic view in which a structure adopting a new-typethin solar battery and with an adjustable sunshine angle is not inclinedin a left and right direction;

FIG. 13 is a schematic view in which a structure adopting a new-typethin solar battery and with an adjustable sunshine angle is rightinclined; and

FIG. 14 is a schematic structural view of a super energy-saving electricwheel chair with an adjustable sunshine angle and adopting a siliconplate solar battery being not inclined in the front and back directionand the left and right direction.

DESCRIPTION OF EMBODIMENTS

The present invention provides a super energy-saving solar powered wheelchair with an adjustable sunshine angle, and a solar battery used by thewheel chair includes two types: 1. a new-type thin solar batteryfoldable; and 2. a low-power silicon plate solar battery not foldable.The electric wheel chair includes a wheel chair frame 1 as shown in FIG.1, stand pipes 1.1, horizontal support pipes 1.2, main stand pipes 1.3,back wheels 3, a front steering wheel 4, a front universal wheel 4.1, aleft arm-rest pipe 5, a right arm-rest pipe 6, and arm-rest 2. Frontends of the left and the right arm-rest pipe 5 and 6 are bent to formelbows, and a speed-adjusting turning handle 14 and a brake handle 15integrated in a two-in-one manner are installed on a right elbow 12. Theelectric wheel chair is characterized in that a sunshine angle isadjustable, and the electric wheel chair is super energy saving. Byadopting a new-type thin solar battery having a low weight havingadvantages of excellent elasticity and low cost, the electric wheelchair will be more efficient having an adjustable sunshine angle, morepractical being foldable, and more energy saving. Double-vertical plates32 are respectively fixedly connected to the two main stand pipes 1.3,and double-vertical plates 33 are respectively fixedly connected to theelbows of the left and the right arm-rest pipes 5 and 6 and the standpipes 1.1. Fixing sleeves 34 are respectively connected to thedouble-vertical plates 32 and 33, and 4 lift pipes 34.1 are insertedinto the four sleeves 34. A connection hole 34.2 exists between the liftpipe 34.1 and the sleeve 34, and the lift pipe 34.1 and the sleeve 34are connected through a spring plunger 34.3, such that the lift pipes34.1 are flexibly lifted and located, and the sunshine angle may beadjusted respectively according to six directions, to maximize acharging current. In the six directions, front and back directions areback inclined, non inclined, front inclined referring to FIGS. 8, 9, and10, and left and right directions are left inclined, non inclined, andright inclined referring to FIGS. 11, 12, and 13.

In four seasons of each year and in the morning, at noon, and in theafternoon of each day, the position of the sun changes, such that theadjustment of the sunshine angle in response to the change is quitemeaningful for improving a charging efficiency. Daily charging testverifies that as soon as the sunshine angle is adjusted, a chargingcurrent displayed on an ampere meter is immediately increased by10%-20%, and an efficiency of a modern solar battery is merely 15%. Thecontinuous adjustment of the sunshine angle in response to the changesof the position of the sun is just the most important advantage of thepresent invention, because only the electric wheel chair has more strongpoints than other vehicles: its speed is low, the changes of thetraveling direction is less, the environment is clear, and the manualadjustment may be performed at any moment. The charging efficiency isapproximately 30% higher than that of a household water heater beingfixed at an angle of 45 degrees. Particularly, at noon of summer andautumn, the stronger the sunshine is, the more difficult for the solarbattery fixed at the angle of 45 degrees to entirely receive thevertical incident solar rays. On the contrary, if the adjustablesunshine angle is adopted, the solar battery may basically entirelyreceive the vertical incident solar rays when lying without fixed angleof 45 degree.

Left and right horizontally mounted connection pipes 35 are respectivelyconnected between top ends of the two lift pipes 34.1 on the left sideand between top ends of the two lift pipes 34.1 on the right side, inwhich the lift pipe 34.1 and the horizontal mount connection pipe 35 areconnected through a universal spindle coupling 35.1, and the connectionmanner is as shown in FIG. 7. A supporting plate 35.2 of the universalspindle coupling 35.1 is welded with the horizontal pipe 35, and a screw35.4 extended from a universal ball 35.3 of the spindle couplingpenetrates through the lift pipe 34.1, and is fasten by a screw nut. Anew-type thin solar battery 36 covers on the left and the righthorizontally mounted connection pipes 35, and the left and right sidesof the new-type thin solar battery not only covers on the left and theright horizontally mounted connection pipes 35, but also extends nylonzipper elastic straps 41 from both sides. After passing round the leftand the right horizontally mounted connection pipes 35, each pair of theelastic straps 41 are locked through the nylon zipper, such that thenew-type thin solar battery 36 is elastically bound and connected. Whenthe wheel chair frame is unfolded, the new-type thin solar battery 36 istightened from the two sides by the elastic straps 41; and while thewheel chair frame is folded, the new-type thin solar battery isreleased, and is folded together. A power supply line connection device37 is disposed under the new-type thin solar battery 36, and a powersupply line leads to a controller box 38 from the connection device 37,and is connected to a power connection of a battery box 9 through acharging plug.

The new-type power-saving thin solar battery shall be accompanied bypower-saving driving device and braking device, as shown in FIG. 3.

For the driving device, a speed adjusting turning handle 14 is installedon the right elbow 12, there are two mounting vertical boards 19 of therear wheels at the lower end of the left and right main vertical pipes1.3 respectively, the rear wheels 3 with motors 30 are secured on thevertical boards 19 by bolts and nuts, the said motors 30 are DC andbrushless motors with stepless adjustable speed, low rotation speed, andhigh torque, the housing of the motors 30 are integrated with the steelwheel plates 31, so as the two motors 30 can directly drive the two realwheels 3;

For the braking device, two disc brakes 20 are installed on the left andright rear wheels, the disc brake includes a disc brake sheet 21, abrake clamp 22 and a brake rod 23, the disc brake sheet 21 is installedby the side of the motor 30 by means of tightly screwing the femalescrew of the disc brake sheet 21 in the male screw on the end-cover ofthe motor 30, the brake clamp 22 and the brake rod 23 are fixed on thevertical board 19 via the connecting plate 27 with screws; a hand pullbrake handle 15 is installed on the right elbow 12; the two disc brakes20 are connected to the brake handle 15 through a delta-shapedconversion plate 26 via a braking steel wire, the upper end of thedelta-shaped conversion plate 26 is connected to the brake handle 15 viathe main steel wire 24, the left and right lower ends of thedelta-shaped conversion plate 26 are connected to the left and rightbrake rods 23 via the left and right branch steel wires 25 respectively,by means of a single hand to pull brake handle 15 or by means of a smallelectric device to pull the main steel wire 24, the brake rods 23 aretightly pulled so that the two brake clamps 22 tightly clip the twobrake sheets 21, and the two rear wheels 3 are braked simultaneously;

The foldable new-type thin solar battery charging device needs to matchwith the foldable electric wheel chair frame. As shown in FIGS. 4 and 5,a cross folding device is disposed in the wheel chair frame 1, its baseis two front cross pipes 1.41 and two rear cross boards 1.42, the upperend of the two front cross pipes 1.41 and two rear cross boards 1.42 areconnected by welding to the left and right horizontally supporting pipes1.44 of the cushion 7.1, the lower ends of the two front cross pipes1.41 and two rear cross boards 1.42 are connected by welding to the leftand right short pipes 1.45, which may rotate around its inner pipe at asmall angle; two cross fold positioning boards 1.43 make the fold andinteraction between the two rear cross boards 1.42 and the left andright main vertical pipes 1.3 keep stable by means of fourslip-connecting screws 1.48, the cross points of the two front crosspipes 1.41 and the two rear cross boards 1.42 are also connected to eachother via the slip-connecting screws 1.48, there is an inner pipe fixingscrew 1.47 out of the two ends of the left and right short pipes 1.45respectively, the screws tightly fix the inner pipes and non-turningouter pipes, there are totally four hook-shaped supporters 1.46 whichare welded at the front and rear of the left and right horizontallysupporting pipes 1.2 and at the bottom planes tightly close to thesupporting pipes 1.2, and used to support the left and righthorizontally supporting pipes 1.44 of the cushion 7.1, two long flatvertical plates 1.49 are welded beneath each of the two left hook-shapedsupporters and the two right hook-shaped supporters 1.46 respectivelyfor hanging and unhanging the left and right battery boxes 9conveniently, therefore the electric wheel chair is foldable even withbatteries.

As shown in FIG. 1, a safety belt 28 is mounted on a back cushion 7 ofthe wheel chair. A manual push brake 29 is mounted on left and right onthe lower part of the main stand pipe 1.3 of the wheel chair. Acontroller box 8 and a solar energy charging controller 38 are installedon a back surface of the back cushion 7 of the wheel chair, and arefixed by using screw bolts.

As shown in FIG. 1, a switching case 18.1 is installed on the rightarm-rest pipe 6, two switches 18 for positive or inversion running ofthe motors and the power display are installed on the switching case18.1

As shown in FIG. 2, a hand control direction device is mounted on theleft elbow 10. The hand control direction device includes a fixing plate11, a hollow bearing 13, a vertical hand control rod 16, and a handcontrol direction handle 17. The vertical hand control rod 16 insertingthrough the hollow bearing 13, its upper end is connected to the handcontrol direction handle 17, and its lower end is connected to the frontsteering wheel 4. For connection between the vertical hand control rod16 and the front steering wheel 4, an inner screw thread on a tail endof the vertical hand control rod 16 matches a screw rod on an upper endof a main shaft of the front steering wheel 4, the screw rod is screwedinto a top end of the inner screw thread, and is screwed into apositioning screw through a hole.

In addition, an intellectual control rod 40 is installed on the rightelbow 12 referring to FIG. 6, to replace the left and the right motorreverse switches 18 and the switch box 18.1, and interacts with the handcontrol direction handle 17. The intellectual control rod isparticularly used for coarse adjustment, that is, adjustment of themagnitude of the current, and the general traveling direction of theelectric wheel chair, for example, forwarding or reversing, left- orright-hand rotation in place. The hand control direction handle 17 isparticularly used for fine adjustment, that is, the accurate adjustmenton the particular direction of the left and the right travelingdirection of the electric wheel chair. The intellectual control rod 40must interact with the speed adjusting turning handle 14 and the brakehandle 15 both integrated in a two-in-one manner. When a user intends tobrake, the right hand quickly leaves the intellectual control rod 40 andmoves to the brake handle 15, the thumb pushes the speed adjustingturning handle 14 to enable the wheel chair to keep forwarding, and theother four fingers tightly hold the brake handle 15 and get ready forbraking at any moment, so as to shorten the time and the distance fortransiting to the brake, and thereby ensuring traveling safety.

1. A sunshine angle adjustable solar energy electric wheel chair,comprising a wheel chair frame (1), stand pipes (1.1), horizontalsupport pipes (1.2), main stand pipes (1.3); back wheels (3), a frontsteering wheel (4), and a front universal wheel (4.1) disposed on alower part of the wheel chair frame (1), and a left arm-rest pipe (5), aright arm-rest pipe (6), and arm-rests (2) disposed between the standpipes (1.1) and the main stand pipes (1.3); the front ends of the leftand the right arm-rest pipes (5,6) are bent as elbows (10,12), a handcontrol direction device is installed on the left elbow (10), and aspeed-adjusting turning handle (14) and a hand pull brake handle (15)integrated in a two-in-one manner is installed on the right elbow (12);characterized in that sunshine angle of the solar energy electric wheelchair is adjustable and the electric wheel chair is super energy saving,two double-vertical plates (32) are respectively fixedly connected tothe two main stand pipes (1.3), and another two double-vertical plates(33) are respectively fixedly connected to the elbows of the left andthe right arm-rest pipes (5,6) and the stand pipes (1.1), fixing sleeves(34) are respectively connected to the two pairs of double-verticalplates (32,33), and 4 lift pipes (34.1) are inserted into the foursleeves (34); connection holes (34.2) exist between the lift pipes(34.1) and the sleeves (34), and the lift pipes (34.1) and the sleeves(34) are connected through spring plungers (34.3), such that the liftpipes (34.1) could be flexibly lifted and located; sunshine angle of theelectric wheel chair may be adjusted respectively according to sixdirections to maximize the solar energy charging current to batteryduring traveling; in the six directions, front and back directions areback inclined, non inclined, front inclined, and left and rightdirections are left inclined, non inclined, and right inclined; twobatteries respectively hung on the left and the right of the wheelchair, which are used for backup and could be charged during traveling;one battery could be fully charged in 5 hours, and the other battery ischarged for 3 hours to store energy; left and right horizontally mountedconnection pipes (35) are respectively connected between top ends of thetwo lift pipes (34.1) on the left side and between top ends of the twolift pipes (34.1) on the right side wherein the lift pipes (34.1) andthe horizontally mounted connection pipes (35) are connected throughuniversal spindle couplings (35.1); a new-type thin solar battery (36)covers on the left and the right horizontally mounted connection pipes(35), and the left and right sides of the new-type thin solar batteryplate not only covers on the left and the right horizontally mountedconnection pipes (35), but also extends out nylon zipper elastic straps(41) from both sides; after passing around the left and the righthorizontally mounted connection pipes (35), each pair of the elasticstraps (41) are locked through the nylon zipper, such that the new-typethin solar battery (36) is elastically bound and connected; when thewheel chair frame is unfolded, the new-type thin solar battery (36) istightened from the two sides by the elastic straps (41); and while thewheel chair frame is folded, the new-type thin solar battery isreleased, and is folded together; a power supply line connection device(37) is disposed under the new-type thin solar battery (36), and thepower supply line leads to a controller box (38) from its connectiondevice (37), and is connected to a power connection of a battery box (9)through a charging plug.
 2. The sunshine angle adjustable solar energyelectric wheel chair of claim 1, characterized in that the new-typepower-saving thin solar battery shall be accompanied by power-savingdriving device and braking device, wherein said driving devicecomprising: a speed adjusting turning handle (14) is installed on theright elbow (12), there are two mounting vertical boards (19) of therear wheels at the lower end of the left and right main vertical pipes(1.3) respectively, the rear wheels (3) with motors (30) are secured onthe vertical boards (19) by bolts and nuts, the said motors (30) are DCand brushless motors with stepless adjustable speed, low rotation speed,and high torque, the housing of the motors (30) are integrated with thesteel wheel plates (31), so as the two motors (30) can directly drivethe two real wheels (3); said braking device comprising: two disc brakes(20)are installed on the left and right rear wheels, the disc brakeincludes a disc brake sheet (21), a brake clamp (22) and a brake rod(23), the disc brake sheet (21) is installed by the side of the motor(30) by means of tightly screwing the female screw of the disc brakesheet (21) in the male screw on the end-cover of the motor (30), thebrake clamp (22) and the brake rod (23) are fixed on the vertical board(19) via the connecting plate (27) with screws; a hand pull brake handle(15) is installed on the right elbow (12); the two disc brakes (20) areconnected to the brake handle (15) through a delta-shaped conversionplate (26) via a braking steel wire, the upper end of the delta-shapedconversion plate (26) is connected to the brake handle (15) via the mainsteel wire (24), the left and right lower ends of the delta-shapedconversion plate (26) are connected to the left and right brake rods(23) via the left and right branch steel wires (25) respectively, bymeans of a single hand to pull brake handle (15) or by means of a smallelectric device to pull the main steel wire (24), the brake rods (23)are tightly pulled so that the two brake clamps (22) tightly clip thetwo brake sheets (21), and the two rear wheels (3) are brakedsimultaneously;
 3. The sunshine angle adjustable solar energy electricwheel chair of claim 1, characterized in that the foldable new-type thinsolar battery charging device must match with the foldable electricwheel chair frame: a cross folding device is disposed in the wheel chairframe (1), its base is two front cross pipes (1.41) and two rear crossboards (1.42), the upper end of the two front cross pipes (1.41) and tworear cross boards (1.42) are connected by welding to the left and righthorizontally supporting pipes (1.44) of the cushion (7.1), the lowerends of the two front cross pipes (1.41) and two rear cross boards(1.42) are connected by welding to the left and right short pipes(1.45), which may rotate around its inner pipe at a small angle; twocross fold positioning boards (1.43) make the fold and interactionbetween the two rear cross boards (1.42) and the left and right mainvertical pipes (1.3) keep stable by means of four slip-connecting screws(1.48), the cross points of the two front cross pipes (1.41) and the tworear cross boards (1.42) are also connected to each other via theslip-connecting screws (1.48), there is an inner pipe fixing screw(1.47) out of the two ends of the left and right short pipes (1.45)respectively, the screws tightly fix the inner pipes and non-turningouter pipes, there are totally four hook-shaped supporters (1.46) whichare welded at the front and rear of the left and right horizontallysupporting pipes (1.2) and at the bottom planes tightly close to thesupporting pipes (1.2), and used to support the left and righthorizontally supporting pipes (1.44) of the cushion (7.1), two long flatvertical plates (1.49) are welded beneath each of the two lefthook-shaped supporters and the two right hook-shaped supporters (1.46)respectively for hanging and unhinging the left and right battery boxes(9) conveniently, therefore the electric wheel chair is foldable evenwith batteries.
 4. The sunshine angle adjustable solar energy electricwheel chair of claim 1, characterized in that the new-type thin solarbattery (36) is replaced by a low-power silicon plate solar battery(42), the silicon plate solar battery (42) is integrally mounted on theleft and the right horizontally mounted connection pipes (35), screwsare aligned with mount holes of the silicon plate battery for fasteningthe silicon plate battery, and the sunshine angle may be adjustedaccording to the six directions by using the four lift pipes (34.1), tomaximize the charging current of the solar energy battery; theconnection of the power supply line is the same as that the power supplyline leads to the charging controller (38) through the connection device(37), and is connected to the power connection of the battery box (9)through the charging plug, the difference is that the silicon platebattery cannot be folded and is mounted in a manner of rigid connectioninstead of elastic connection.
 5. The sunshine angle adjustable solarenergy electric wheel chair of claim 1, characterized in that: aswitching case (18.1) is installed on the right arm-rest pipe (6), twoswitches (18) for positive or inversion running of the motors and thepower display are installed on the switching case (18.1).
 6. Thesunshine angle adjustable solar energy electric wheel chair of claim 1,characterized in that a hand control direction device is installed onthe left elbow (10); the hand control direction device includes a fixingplate (11), a hollow bearing (13), a vertical hand control rod (16), anda hand control direction handle (17); the vertical hand control rod (16)inserting through the hollow bearing (13), its upper end is connected tothe hand control direction handle (17), and its lower end is connectedto the front steering wheel (4); the connection between the verticalhand control rod (16) and the front steering wheel (4) is: an femalescrew thread on a tail end of the vertical hand control rod (16) matchesa male screw rod on an upper end of a main shaft of the front steeringwheel (4), the male screw rod is screwed into a top end of the femalescrew thread, and is screwed into a positioning screw through a hole. 7.The sunshine angle adjustable solar energy electric wheel chair of claim1, characterized in that an intellectual control rod (40) is installedon the right elbow (12), to replace the switches (18) of the left andthe right motors and the switch box (18.1), and interact with the handcontrol direction handle (17); at the same time the intellectual controlrod (40) also interact with the speed adjusting turning handle (14) andthe brake handle (15) integrated in a two-in-one manner.
 8. The sunshineangle adjustable solar energy electric wheel chair of claim 2,characterized in that the foldable new-type thin solar battery chargingdevice must match with the foldable electric wheel chair frame: a crossfolding device is disposed in the wheel chair frame (1), its base is twofront cross pipes (1.41) and two rear cross boards (1.42), the upper endof the two front cross pipes (1.41) and two rear cross boards (1.42) areconnected by welding to the left and right horizontally supporting pipes(1.44) of the cushion (7.1), the lower ends of the two front cross pipes(1.41) and two rear cross boards (1.42) are connected by welding to theleft and right short pipes (1.45), which may rotate around its innerpipe at a small angle; two cross fold positioning boards (1.43) make thefold and interaction between the two rear cross boards (1.42) and theleft and right main vertical pipes (1.3) keep stable by means of fourslip-connecting screws (1.48), the cross points of the two front crosspipes (1.41) and the two rear cross boards (1.42) are also connected toeach other via the slip-connecting screws (1.48), there is an inner pipefixing screw (1.47) out of the two ends of the left and right shortpipes (1.45) respectively, the screws tightly fix the inner pipes andnon-turning outer pipes, there are totally four hook-shaped supporters(1.46) which are welded at the front and rear of the left and righthorizontally supporting pipes (1.2) and at the bottom planes tightlyclose to the supporting pipes (1.2), and used to support the left andright horizontally supporting pipes (1.44) of the cushion (7.1), twolong flat vertical plates (1.49) are welded beneath each of the two lefthook-shaped supporters and the two right hook-shaped supporters (1.46)respectively for hanging and unhanging the left and right battery boxes(9) conveniently, therefore the electric wheel chair is foldable evenwith batteries.
 9. The sunshine angle adjustable solar energy electricwheel chair of claim 2, characterized in that the new-type thin solarbattery (36) is replaced by a low-power silicon plate solar battery(42), the silicon plate solar battery (42) is integrally mounted on theleft and the right horizontally mounted connection pipes (35), screwsare aligned with mount holes of the silicon plate battery for fasteningthe silicon plate battery, and the sunshine angle may be adjustedaccording to the six directions by using the four lift pipes (34.1), tomaximize the charging current of the solar energy battery; theconnection of the power supply line is the same as that the power supplyline leads to the charging controller (38) through the connection device(37), and is connected to the power connection of the battery box (9)through the charging plug, the difference is that the silicon platebattery cannot be folded and is mounted in a manner of rigid connectioninstead of elastic connection.
 10. The sunshine angle adjustable solarenergy electric wheel chair of claim 2, characterized in that: aswitching case (18.1) is installed on the right arm-rest pipe (6), twoswitches (18) for positive or inversion running of the motors and thepower display are installed on the switching case (18.1).
 11. Thesunshine angle adjustable solar energy electric wheel chair of claim 2,characterized in that a hand control direction device is installed onthe left elbow (10); the hand control direction device includes a fixingplate (11), a hollow bearing (13), a vertical hand control rod (16), anda hand control direction handle (17); the vertical hand control rod (16)inserting through the hollow bearing (13), its upper end is connected tothe hand control direction handle (17), and its lower end is connectedto the front steering wheel (4); the connection between the verticalhand control rod (16) and the front steering wheel (4) is: an femalescrew thread on a tail end of the vertical hand control rod (16) matchesa male screw rod on an upper end of a main shaft of the front steeringwheel (4), the male screw rod is screwed into a top end of the femalescrew thread, and is screwed into a positioning screw through a hole.12. The sunshine angle adjustable solar energy electric wheel chair ofclaim 2, characterized in that an intellectual control rod (40) isinstalled on the right elbow (12), to replace the switches (18) of theleft and the right motors and the switch box (18.1), and interact withthe hand control direction handle (17); at the same time theintellectual control rod (40) also interact with the speed adjustingturning handle (14) and the brake handle (15) integrated in a two-in-onemanner.